diff --git a/c/cert/src/rules/ARR32-C/VariableLengthArraySizeNotInValidRange.ql b/c/cert/src/rules/ARR32-C/VariableLengthArraySizeNotInValidRange.ql
index 85fc7b9022..1356777e5f 100644
--- a/c/cert/src/rules/ARR32-C/VariableLengthArraySizeNotInValidRange.ql
+++ b/c/cert/src/rules/ARR32-C/VariableLengthArraySizeNotInValidRange.ql
@@ -20,6 +20,7 @@
 import cpp
 import codingstandards.c.cert
 import codingstandards.cpp.Overflow
+import semmle.code.cpp.dataflow.TaintTracking
 
 /**
  * Gets the maximum size (in bytes) a variable-length array
diff --git a/c/cert/src/rules/ERR32-C/DoNotRelyOnIndeterminateValuesOfErrno.ql b/c/cert/src/rules/ERR32-C/DoNotRelyOnIndeterminateValuesOfErrno.ql
index c7dfd58c6b..146d0cb30f 100644
--- a/c/cert/src/rules/ERR32-C/DoNotRelyOnIndeterminateValuesOfErrno.ql
+++ b/c/cert/src/rules/ERR32-C/DoNotRelyOnIndeterminateValuesOfErrno.ql
@@ -20,6 +20,7 @@ import codingstandards.c.cert
 import codingstandards.c.Errno
 import codingstandards.c.Signal
 import semmle.code.cpp.controlflow.Guards
+import semmle.code.cpp.dataflow.DataFlow
 
 /**
  * A check on `signal` call return value
diff --git a/c/cert/src/rules/ERR33-C/DetectAndHandleStandardLibraryErrors.ql b/c/cert/src/rules/ERR33-C/DetectAndHandleStandardLibraryErrors.ql
index 01e7b83d13..5e473b226e 100644
--- a/c/cert/src/rules/ERR33-C/DetectAndHandleStandardLibraryErrors.ql
+++ b/c/cert/src/rules/ERR33-C/DetectAndHandleStandardLibraryErrors.ql
@@ -20,6 +20,7 @@ import cpp
 import codingstandards.c.cert
 import semmle.code.cpp.commons.NULL
 import codingstandards.cpp.ReadErrorsAndEOF
+import semmle.code.cpp.dataflow.DataFlow
 
 ComparisonOperation getAValidComparison(string spec) {
   spec = "=0" and result.(EqualityOperation).getAnOperand().getValue() = "0"
diff --git a/c/cert/src/rules/FIO40-C/ResetStringsOnFgetsOrFgetwsFailure.ql b/c/cert/src/rules/FIO40-C/ResetStringsOnFgetsOrFgetwsFailure.ql
index b54436c835..9b0882ac66 100644
--- a/c/cert/src/rules/FIO40-C/ResetStringsOnFgetsOrFgetwsFailure.ql
+++ b/c/cert/src/rules/FIO40-C/ResetStringsOnFgetsOrFgetwsFailure.ql
@@ -21,6 +21,7 @@ import cpp
 import codingstandards.cpp.FgetsErrorManagement
 import codingstandards.cpp.Dereferenced
 import codingstandards.c.cert
+import semmle.code.cpp.dataflow.DataFlow
 
 /*
  * Models calls to `memcpy` `strcpy` `strncpy` and their wrappers
diff --git a/c/cert/test/rules/ARR32-C/VariableLengthArraySizeNotInValidRange.expected b/c/cert/test/rules/ARR32-C/VariableLengthArraySizeNotInValidRange.expected
index 0b400c5256..1617571bbe 100644
--- a/c/cert/test/rules/ARR32-C/VariableLengthArraySizeNotInValidRange.expected
+++ b/c/cert/test/rules/ARR32-C/VariableLengthArraySizeNotInValidRange.expected
@@ -1,5 +1,5 @@
-WARNING: module 'DataFlow' has been deprecated and may be removed in future (VariableLengthArraySizeNotInValidRange.ql:109,11-19)
-WARNING: module 'TaintTracking' has been deprecated and may be removed in future (VariableLengthArraySizeNotInValidRange.ql:92,5-18)
+WARNING: module 'DataFlow' has been deprecated and may be removed in future (VariableLengthArraySizeNotInValidRange.ql:110,11-19)
+WARNING: module 'TaintTracking' has been deprecated and may be removed in future (VariableLengthArraySizeNotInValidRange.ql:93,5-18)
 | test.c:14:8:14:8 | VLA declaration | Variable-length array dimension size may be in an invalid range. |
 | test.c:15:8:15:8 | VLA declaration | Variable-length array dimension size may be in an invalid range. |
 | test.c:16:8:16:8 | VLA declaration | Variable-length array dimension size may be in an invalid range. |
diff --git a/c/cert/test/rules/ERR32-C/DoNotRelyOnIndeterminateValuesOfErrno.expected b/c/cert/test/rules/ERR32-C/DoNotRelyOnIndeterminateValuesOfErrno.expected
index 1f313cb90d..b79a17ca35 100644
--- a/c/cert/test/rules/ERR32-C/DoNotRelyOnIndeterminateValuesOfErrno.expected
+++ b/c/cert/test/rules/ERR32-C/DoNotRelyOnIndeterminateValuesOfErrno.expected
@@ -1,7 +1,7 @@
-WARNING: module 'DataFlow' has been deprecated and may be removed in future (DoNotRelyOnIndeterminateValuesOfErrno.ql:55,7-15)
-WARNING: module 'DataFlow' has been deprecated and may be removed in future (DoNotRelyOnIndeterminateValuesOfErrno.ql:55,27-35)
-WARNING: module 'DataFlow' has been deprecated and may be removed in future (DoNotRelyOnIndeterminateValuesOfErrno.ql:56,9-17)
-WARNING: module 'DataFlow' has been deprecated and may be removed in future (DoNotRelyOnIndeterminateValuesOfErrno.ql:59,9-17)
+WARNING: module 'DataFlow' has been deprecated and may be removed in future (DoNotRelyOnIndeterminateValuesOfErrno.ql:56,7-15)
+WARNING: module 'DataFlow' has been deprecated and may be removed in future (DoNotRelyOnIndeterminateValuesOfErrno.ql:56,27-35)
+WARNING: module 'DataFlow' has been deprecated and may be removed in future (DoNotRelyOnIndeterminateValuesOfErrno.ql:57,9-17)
+WARNING: module 'DataFlow' has been deprecated and may be removed in future (DoNotRelyOnIndeterminateValuesOfErrno.ql:60,9-17)
 | test.c:12:5:12:10 | call to perror | `errno` has indeterminate value after this $@. | test.c:10:21:10:26 | call to signal | call to signal |
 | test.c:30:5:30:10 | call to perror | `errno` has indeterminate value after this $@. | test.c:26:21:26:26 | call to signal | call to signal |
 | test.c:49:5:49:10 | call to perror | `errno` has indeterminate value after this $@. | test.c:45:21:45:26 | call to signal | call to signal |
diff --git a/c/cert/test/rules/ERR33-C/DetectAndHandleStandardLibraryErrors.expected b/c/cert/test/rules/ERR33-C/DetectAndHandleStandardLibraryErrors.expected
index b13f34522c..f4006c013e 100644
--- a/c/cert/test/rules/ERR33-C/DetectAndHandleStandardLibraryErrors.expected
+++ b/c/cert/test/rules/ERR33-C/DetectAndHandleStandardLibraryErrors.expected
@@ -1,4 +1,4 @@
-WARNING: module 'DataFlow' has been deprecated and may be removed in future (DetectAndHandleStandardLibraryErrors.ql:458,5-13)
+WARNING: module 'DataFlow' has been deprecated and may be removed in future (DetectAndHandleStandardLibraryErrors.ql:459,5-13)
 | test.c:18:3:18:11 | call to setlocale | Missing error detection for the call to function `setlocale`. |
 | test.c:24:23:24:31 | call to setlocale | Missing error detection for the call to function `setlocale`. |
 | test.c:29:22:29:27 | call to calloc | Missing error detection for the call to function `calloc`. |
diff --git a/c/cert/test/rules/FIO40-C/ResetStringsOnFgetsOrFgetwsFailure.expected b/c/cert/test/rules/FIO40-C/ResetStringsOnFgetsOrFgetwsFailure.expected
index 7d3cbe355b..52cb85e5c4 100644
--- a/c/cert/test/rules/FIO40-C/ResetStringsOnFgetsOrFgetwsFailure.expected
+++ b/c/cert/test/rules/FIO40-C/ResetStringsOnFgetsOrFgetwsFailure.expected
@@ -1,6 +1,6 @@
-WARNING: module 'DataFlow' has been deprecated and may be removed in future (ResetStringsOnFgetsOrFgetwsFailure.ql:47,11-19)
-WARNING: module 'DataFlow' has been deprecated and may be removed in future (ResetStringsOnFgetsOrFgetwsFailure.ql:47,31-39)
-WARNING: module 'DataFlow' has been deprecated and may be removed in future (ResetStringsOnFgetsOrFgetwsFailure.ql:48,13-21)
+WARNING: module 'DataFlow' has been deprecated and may be removed in future (ResetStringsOnFgetsOrFgetwsFailure.ql:48,11-19)
+WARNING: module 'DataFlow' has been deprecated and may be removed in future (ResetStringsOnFgetsOrFgetwsFailure.ql:48,31-39)
+WARNING: module 'DataFlow' has been deprecated and may be removed in future (ResetStringsOnFgetsOrFgetwsFailure.ql:49,13-21)
 | test.c:20:10:20:12 | buf | The buffer is not reset before being referenced following a failed $@. | test.c:15:7:15:11 | call to fgets | call to fgets |
 | test.c:57:10:57:12 | buf | The buffer is not reset before being referenced following a failed $@. | test.c:52:7:52:11 | call to fgets | call to fgets |
 | test.c:66:18:66:20 | buf | The buffer is not reset before being referenced following a failed $@. | test.c:61:7:61:11 | call to fgets | call to fgets |
diff --git a/c/common/src/codingstandards/c/OutOfBounds.qll b/c/common/src/codingstandards/c/OutOfBounds.qll
index bb7d1bd124..1f1680f56c 100644
--- a/c/common/src/codingstandards/c/OutOfBounds.qll
+++ b/c/common/src/codingstandards/c/OutOfBounds.qll
@@ -11,7 +11,7 @@ import codingstandards.cpp.Allocations
 import codingstandards.cpp.Overflow
 import codingstandards.cpp.PossiblyUnsafeStringOperation
 import codingstandards.cpp.SimpleRangeAnalysisCustomizations
-import semmle.code.cpp.dataflow.DataFlow
+private import semmle.code.cpp.dataflow.DataFlow
 import semmle.code.cpp.valuenumbering.GlobalValueNumbering
 
 module OOB {
diff --git a/c/common/src/codingstandards/c/Signal.qll b/c/common/src/codingstandards/c/Signal.qll
index 95b27e2898..2a570b654f 100644
--- a/c/common/src/codingstandards/c/Signal.qll
+++ b/c/common/src/codingstandards/c/Signal.qll
@@ -1,5 +1,5 @@
 import cpp
-import semmle.code.cpp.dataflow.DataFlow
+private import semmle.code.cpp.dataflow.DataFlow
 
 /**
  * A signal corresponding to a computational exception
diff --git a/c/misra/src/rules/RULE-22-17/InvalidOperationOnUnlockedMutex.ql b/c/misra/src/rules/RULE-22-17/InvalidOperationOnUnlockedMutex.ql
index 252b4a7d9f..d85183a831 100644
--- a/c/misra/src/rules/RULE-22-17/InvalidOperationOnUnlockedMutex.ql
+++ b/c/misra/src/rules/RULE-22-17/InvalidOperationOnUnlockedMutex.ql
@@ -18,7 +18,6 @@ import codingstandards.c.misra
 import codingstandards.c.SubObjects
 import codingstandards.cpp.Concurrency
 import codingstandards.cpp.dominance.BehavioralSet
-import semmle.code.cpp.dataflow.new.DataFlow::DataFlow as NewDF
 
 /* A call to mtx_unlock() or cnd_wait() or cnd_timedwait(), which require a locked mutex */
 class RequiresLockOperation extends FunctionCall {
diff --git a/c/misra/src/rules/RULE-22-7/EofShallBeComparedWithUnmodifiedReturnValues.ql b/c/misra/src/rules/RULE-22-7/EofShallBeComparedWithUnmodifiedReturnValues.ql
index a29ee7c898..1da495ca28 100644
--- a/c/misra/src/rules/RULE-22-7/EofShallBeComparedWithUnmodifiedReturnValues.ql
+++ b/c/misra/src/rules/RULE-22-7/EofShallBeComparedWithUnmodifiedReturnValues.ql
@@ -15,6 +15,7 @@
 import cpp
 import codingstandards.c.misra
 import codingstandards.cpp.ReadErrorsAndEOF
+import semmle.code.cpp.dataflow.DataFlow
 
 /**
  * The getchar() return value propagates directly to a check against EOF macro
diff --git a/c/misra/test/rules/RULE-22-7/EofShallBeComparedWithUnmodifiedReturnValues.expected b/c/misra/test/rules/RULE-22-7/EofShallBeComparedWithUnmodifiedReturnValues.expected
index 83a10a46fb..210a3a9218 100644
--- a/c/misra/test/rules/RULE-22-7/EofShallBeComparedWithUnmodifiedReturnValues.expected
+++ b/c/misra/test/rules/RULE-22-7/EofShallBeComparedWithUnmodifiedReturnValues.expected
@@ -1,10 +1,10 @@
-WARNING: module 'DataFlow' has been deprecated and may be removed in future (EofShallBeComparedWithUnmodifiedReturnValues.ql:23,28-36)
-WARNING: module 'DataFlow' has been deprecated and may be removed in future (EofShallBeComparedWithUnmodifiedReturnValues.ql:24,22-30)
-WARNING: module 'DataFlow' has been deprecated and may be removed in future (EofShallBeComparedWithUnmodifiedReturnValues.ql:28,20-28)
-WARNING: module 'DataFlow' has been deprecated and may be removed in future (EofShallBeComparedWithUnmodifiedReturnValues.ql:37,23-31)
-WARNING: module 'DataFlow' has been deprecated and may be removed in future (EofShallBeComparedWithUnmodifiedReturnValues.ql:42,17-25)
-WARNING: module 'DataFlow' has been deprecated and may be removed in future (EofShallBeComparedWithUnmodifiedReturnValues.ql:51,5-13)
-WARNING: module 'DataFlow' has been deprecated and may be removed in future (EofShallBeComparedWithUnmodifiedReturnValues.ql:59,20-28)
-WARNING: module 'DataFlow' has been deprecated and may be removed in future (EofShallBeComparedWithUnmodifiedReturnValues.ql:59,46-54)
+WARNING: module 'DataFlow' has been deprecated and may be removed in future (EofShallBeComparedWithUnmodifiedReturnValues.ql:24,28-36)
+WARNING: module 'DataFlow' has been deprecated and may be removed in future (EofShallBeComparedWithUnmodifiedReturnValues.ql:25,22-30)
+WARNING: module 'DataFlow' has been deprecated and may be removed in future (EofShallBeComparedWithUnmodifiedReturnValues.ql:29,20-28)
+WARNING: module 'DataFlow' has been deprecated and may be removed in future (EofShallBeComparedWithUnmodifiedReturnValues.ql:38,23-31)
+WARNING: module 'DataFlow' has been deprecated and may be removed in future (EofShallBeComparedWithUnmodifiedReturnValues.ql:43,17-25)
+WARNING: module 'DataFlow' has been deprecated and may be removed in future (EofShallBeComparedWithUnmodifiedReturnValues.ql:52,5-13)
+WARNING: module 'DataFlow' has been deprecated and may be removed in future (EofShallBeComparedWithUnmodifiedReturnValues.ql:60,20-28)
+WARNING: module 'DataFlow' has been deprecated and may be removed in future (EofShallBeComparedWithUnmodifiedReturnValues.ql:60,46-54)
 | test.c:6:7:6:20 | ... != ... | The check is not reliable as the type of the return value of $@ is converted. | test.c:5:14:5:20 | call to getchar | call to getchar |
 | test.c:13:7:13:15 | ... != ... | The check is not reliable as the type of the return value of $@ is converted. | test.c:12:14:12:20 | call to getchar | call to getchar |
diff --git a/cpp/autosar/src/rules/A8-4-9/InOutParametersDeclaredAsTNotModified.ql b/cpp/autosar/src/rules/A8-4-9/InOutParametersDeclaredAsTNotModified.ql
index 1509ee968a..3b30eb676a 100644
--- a/cpp/autosar/src/rules/A8-4-9/InOutParametersDeclaredAsTNotModified.ql
+++ b/cpp/autosar/src/rules/A8-4-9/InOutParametersDeclaredAsTNotModified.ql
@@ -21,6 +21,7 @@ import codingstandards.cpp.autosar
 import codingstandards.cpp.FunctionParameter
 import codingstandards.cpp.ConstHelpers
 import codingstandards.cpp.Operator
+import semmle.code.cpp.dataflow.DataFlow
 
 /**
  * Non-const T& `Parameter`s to `Function`s
diff --git a/cpp/autosar/test/rules/A8-4-9/InOutParametersDeclaredAsTNotModified.expected b/cpp/autosar/test/rules/A8-4-9/InOutParametersDeclaredAsTNotModified.expected
index bafa98112f..25fe77d9a5 100644
--- a/cpp/autosar/test/rules/A8-4-9/InOutParametersDeclaredAsTNotModified.expected
+++ b/cpp/autosar/test/rules/A8-4-9/InOutParametersDeclaredAsTNotModified.expected
@@ -1,5 +1,5 @@
-WARNING: module 'DataFlow' has been deprecated and may be removed in future (InOutParametersDeclaredAsTNotModified.ql:49,7-15)
-WARNING: module 'DataFlow' has been deprecated and may be removed in future (InOutParametersDeclaredAsTNotModified.ql:63,7-15)
+WARNING: module 'DataFlow' has been deprecated and may be removed in future (InOutParametersDeclaredAsTNotModified.ql:50,7-15)
+WARNING: module 'DataFlow' has been deprecated and may be removed in future (InOutParametersDeclaredAsTNotModified.ql:64,7-15)
 | test.cpp:4:13:4:13 | i | In-out parameter i that is not written to. |
 | test.cpp:7:22:7:24 | str | In-out parameter str that is not read from. |
 | test.cpp:18:14:18:14 | i | In-out parameter i that is not read from. |
diff --git a/cpp/cert/src/rules/CTR53-CPP/UseValidIteratorRanges.ql b/cpp/cert/src/rules/CTR53-CPP/UseValidIteratorRanges.ql
index 3702cbcd6e..1512a7fd99 100644
--- a/cpp/cert/src/rules/CTR53-CPP/UseValidIteratorRanges.ql
+++ b/cpp/cert/src/rules/CTR53-CPP/UseValidIteratorRanges.ql
@@ -19,6 +19,7 @@
 import cpp
 import codingstandards.cpp.cert
 import codingstandards.cpp.Iterators
+import semmle.code.cpp.dataflow.DataFlow
 
 predicate startEndArgumentsDoNotPointToTheSameContainer(
   IteratorRangeFunctionCall fc, Expr arg, string reason
diff --git a/cpp/cert/src/rules/CTR55-CPP/DoNotUseAnAdditiveOperatorOnAnIterator.ql b/cpp/cert/src/rules/CTR55-CPP/DoNotUseAnAdditiveOperatorOnAnIterator.ql
index 3f2de63246..c6ea2c4518 100644
--- a/cpp/cert/src/rules/CTR55-CPP/DoNotUseAnAdditiveOperatorOnAnIterator.ql
+++ b/cpp/cert/src/rules/CTR55-CPP/DoNotUseAnAdditiveOperatorOnAnIterator.ql
@@ -20,6 +20,7 @@ import cpp
 import codingstandards.cpp.cert
 import codingstandards.cpp.Iterators
 import semmle.code.cpp.controlflow.Dominance
+import semmle.code.cpp.dataflow.DataFlow
 
 /**
  * Models a call to an iterator's `operator+`
diff --git a/cpp/cert/test/rules/CTR53-CPP/UseValidIteratorRanges.expected b/cpp/cert/test/rules/CTR53-CPP/UseValidIteratorRanges.expected
index 1953314c2f..d25d23185a 100644
--- a/cpp/cert/test/rules/CTR53-CPP/UseValidIteratorRanges.expected
+++ b/cpp/cert/test/rules/CTR53-CPP/UseValidIteratorRanges.expected
@@ -1,9 +1,9 @@
-WARNING: module 'DataFlow' has been deprecated and may be removed in future (UseValidIteratorRanges.ql:28,5-13)
-WARNING: module 'DataFlow' has been deprecated and may be removed in future (UseValidIteratorRanges.ql:28,25-33)
-WARNING: module 'DataFlow' has been deprecated and may be removed in future (UseValidIteratorRanges.ql:29,7-15)
-WARNING: module 'DataFlow' has been deprecated and may be removed in future (UseValidIteratorRanges.ql:35,5-13)
-WARNING: module 'DataFlow' has been deprecated and may be removed in future (UseValidIteratorRanges.ql:35,25-33)
-WARNING: module 'DataFlow' has been deprecated and may be removed in future (UseValidIteratorRanges.ql:36,7-15)
+WARNING: module 'DataFlow' has been deprecated and may be removed in future (UseValidIteratorRanges.ql:29,5-13)
+WARNING: module 'DataFlow' has been deprecated and may be removed in future (UseValidIteratorRanges.ql:29,25-33)
+WARNING: module 'DataFlow' has been deprecated and may be removed in future (UseValidIteratorRanges.ql:30,7-15)
+WARNING: module 'DataFlow' has been deprecated and may be removed in future (UseValidIteratorRanges.ql:36,5-13)
+WARNING: module 'DataFlow' has been deprecated and may be removed in future (UseValidIteratorRanges.ql:36,25-33)
+WARNING: module 'DataFlow' has been deprecated and may be removed in future (UseValidIteratorRanges.ql:37,7-15)
 | test.cpp:7:3:7:15 | call to for_each | The $@ of iterator range function does not point to the end of an iterator. | test.cpp:7:28:7:32 | call to begin | argument |
 | test.cpp:7:3:7:15 | call to for_each | The $@ of iterator range function does not point to the start of an iterator. | test.cpp:7:19:7:21 | call to end | argument |
 | test.cpp:8:3:8:15 | call to for_each | The $@ of iterator range function does not point to the end of an iterator. | test.cpp:8:30:8:34 | call to begin | argument |
diff --git a/cpp/cert/test/rules/CTR55-CPP/DoNotUseAnAdditiveOperatorOnAnIterator.expected b/cpp/cert/test/rules/CTR55-CPP/DoNotUseAnAdditiveOperatorOnAnIterator.expected
index 48da16d208..db3b7358d8 100644
--- a/cpp/cert/test/rules/CTR55-CPP/DoNotUseAnAdditiveOperatorOnAnIterator.expected
+++ b/cpp/cert/test/rules/CTR55-CPP/DoNotUseAnAdditiveOperatorOnAnIterator.expected
@@ -1,12 +1,12 @@
-WARNING: module 'DataFlow' has been deprecated and may be removed in future (DoNotUseAnAdditiveOperatorOnAnIterator.ql:43,5-13)
-WARNING: module 'DataFlow' has been deprecated and may be removed in future (DoNotUseAnAdditiveOperatorOnAnIterator.ql:43,25-33)
-WARNING: module 'DataFlow' has been deprecated and may be removed in future (DoNotUseAnAdditiveOperatorOnAnIterator.ql:43,51-59)
 WARNING: module 'DataFlow' has been deprecated and may be removed in future (DoNotUseAnAdditiveOperatorOnAnIterator.ql:44,5-13)
 WARNING: module 'DataFlow' has been deprecated and may be removed in future (DoNotUseAnAdditiveOperatorOnAnIterator.ql:44,25-33)
-WARNING: module 'DataFlow' has been deprecated and may be removed in future (DoNotUseAnAdditiveOperatorOnAnIterator.ql:44,52-60)
-WARNING: module 'DataFlow' has been deprecated and may be removed in future (DoNotUseAnAdditiveOperatorOnAnIterator.ql:79,5-13)
-WARNING: module 'DataFlow' has been deprecated and may be removed in future (DoNotUseAnAdditiveOperatorOnAnIterator.ql:79,25-33)
-WARNING: module 'DataFlow' has been deprecated and may be removed in future (DoNotUseAnAdditiveOperatorOnAnIterator.ql:80,7-15)
+WARNING: module 'DataFlow' has been deprecated and may be removed in future (DoNotUseAnAdditiveOperatorOnAnIterator.ql:44,51-59)
+WARNING: module 'DataFlow' has been deprecated and may be removed in future (DoNotUseAnAdditiveOperatorOnAnIterator.ql:45,5-13)
+WARNING: module 'DataFlow' has been deprecated and may be removed in future (DoNotUseAnAdditiveOperatorOnAnIterator.ql:45,25-33)
+WARNING: module 'DataFlow' has been deprecated and may be removed in future (DoNotUseAnAdditiveOperatorOnAnIterator.ql:45,52-60)
+WARNING: module 'DataFlow' has been deprecated and may be removed in future (DoNotUseAnAdditiveOperatorOnAnIterator.ql:80,5-13)
+WARNING: module 'DataFlow' has been deprecated and may be removed in future (DoNotUseAnAdditiveOperatorOnAnIterator.ql:80,25-33)
+WARNING: module 'DataFlow' has been deprecated and may be removed in future (DoNotUseAnAdditiveOperatorOnAnIterator.ql:81,7-15)
 | test.cpp:8:7:8:7 | i | Increment of iterator may overflow since its bounds are not checked. |
 | test.cpp:9:9:9:9 | i | Increment of iterator may overflow since its bounds are not checked. |
 | test.cpp:10:9:10:9 | i | Increment of iterator may overflow since its bounds are not checked. |
diff --git a/cpp/common/src/codingstandards/cpp/AccessPath.qll b/cpp/common/src/codingstandards/cpp/AccessPath.qll
index ff7601ed4b..3af462e1ec 100644
--- a/cpp/common/src/codingstandards/cpp/AccessPath.qll
+++ b/cpp/common/src/codingstandards/cpp/AccessPath.qll
@@ -1,5 +1,5 @@
 import cpp
-import semmle.code.cpp.dataflow.DataFlow
+private import semmle.code.cpp.dataflow.DataFlow
 
 newtype TFieldQualifier =
   ExplicitQualifier(VariableAccess v) or
diff --git a/cpp/common/src/codingstandards/cpp/Allocations.qll b/cpp/common/src/codingstandards/cpp/Allocations.qll
index db47b0b028..decdfe9fc4 100644
--- a/cpp/common/src/codingstandards/cpp/Allocations.qll
+++ b/cpp/common/src/codingstandards/cpp/Allocations.qll
@@ -7,7 +7,7 @@
 
 import cpp
 import semmle.code.cpp.controlflow.SSA
-import semmle.code.cpp.dataflow.DataFlow
+private import semmle.code.cpp.dataflow.DataFlow
 
 /**
  * Holds if `alloc` is a use of `malloc` or `new`.  `kind` is
diff --git a/cpp/common/src/codingstandards/cpp/Concurrency.qll b/cpp/common/src/codingstandards/cpp/Concurrency.qll
index 0e2afb8ece..3f7e5c1af9 100644
--- a/cpp/common/src/codingstandards/cpp/Concurrency.qll
+++ b/cpp/common/src/codingstandards/cpp/Concurrency.qll
@@ -1,5 +1,4 @@
 import cpp
-import semmle.code.cpp.dataflow.TaintTracking
 import codingstandards.cpp.concurrency.Atomic
 import codingstandards.cpp.concurrency.CConditionOperation
 import codingstandards.cpp.concurrency.ControlFlow
diff --git a/cpp/common/src/codingstandards/cpp/ConstHelpers.qll b/cpp/common/src/codingstandards/cpp/ConstHelpers.qll
index a7457dc845..a3d12fd127 100644
--- a/cpp/common/src/codingstandards/cpp/ConstHelpers.qll
+++ b/cpp/common/src/codingstandards/cpp/ConstHelpers.qll
@@ -4,7 +4,7 @@
 
 import cpp
 import codingstandards.cpp.SideEffect
-import semmle.code.cpp.dataflow.DataFlow
+private import semmle.code.cpp.dataflow.DataFlow
 import codingstandards.cpp.FunctionParameter
 
 /** A variable that can be modified (both the pointer and object pointed to if pointer type) */
diff --git a/cpp/common/src/codingstandards/cpp/Expr.qll b/cpp/common/src/codingstandards/cpp/Expr.qll
index 0b650ae41b..54ba86c5b7 100644
--- a/cpp/common/src/codingstandards/cpp/Expr.qll
+++ b/cpp/common/src/codingstandards/cpp/Expr.qll
@@ -1,4 +1,5 @@
 import cpp
+private import semmle.code.cpp.dataflow.DataFlow
 private import semmle.code.cpp.valuenumbering.GlobalValueNumbering
 import codingstandards.cpp.AccessPath
 
diff --git a/cpp/common/src/codingstandards/cpp/FgetsErrorManagement.qll b/cpp/common/src/codingstandards/cpp/FgetsErrorManagement.qll
index 4f99b02e2e..026fd93045 100644
--- a/cpp/common/src/codingstandards/cpp/FgetsErrorManagement.qll
+++ b/cpp/common/src/codingstandards/cpp/FgetsErrorManagement.qll
@@ -4,7 +4,7 @@
  */
 
 import cpp
-import semmle.code.cpp.dataflow.DataFlow
+private import semmle.code.cpp.dataflow.DataFlow
 import semmle.code.cpp.controlflow.Guards
 
 /*
diff --git a/cpp/common/src/codingstandards/cpp/Iterators.qll b/cpp/common/src/codingstandards/cpp/Iterators.qll
index 76751aa87b..c8c217aea4 100644
--- a/cpp/common/src/codingstandards/cpp/Iterators.qll
+++ b/cpp/common/src/codingstandards/cpp/Iterators.qll
@@ -3,8 +3,8 @@
  */
 
 import cpp
-import semmle.code.cpp.dataflow.DataFlow
-import semmle.code.cpp.dataflow.TaintTracking
+private import semmle.code.cpp.dataflow.DataFlow
+private import semmle.code.cpp.dataflow.TaintTracking
 import codingstandards.cpp.StdNamespace
 import codingstandards.cpp.rules.containeraccesswithoutrangecheck.ContainerAccessWithoutRangeCheck as ContainerAccessWithoutRangeCheck
 import semmle.code.cpp.controlflow.Guards
@@ -16,7 +16,9 @@ abstract class ContainerAccess extends VariableAccess {
 }
 
 pragma[noinline, nomagic]
-predicate localTaint(DataFlow::Node n1, DataFlow::Node n2) { TaintTracking::localTaint(n1, n2) }
+private predicate localTaint(DataFlow::Node n1, DataFlow::Node n2) {
+  TaintTracking::localTaint(n1, n2)
+}
 
 // define this as anything with dataflow FROM the vector
 class ContainerPointerOrReferenceAccess extends ContainerAccess {
diff --git a/cpp/common/src/codingstandards/cpp/Overflow.qll b/cpp/common/src/codingstandards/cpp/Overflow.qll
index 28a5c0d9db..b81147d6bf 100644
--- a/cpp/common/src/codingstandards/cpp/Overflow.qll
+++ b/cpp/common/src/codingstandards/cpp/Overflow.qll
@@ -6,7 +6,7 @@ import cpp
 import semmle.code.cpp.rangeanalysis.SimpleRangeAnalysis
 import SimpleRangeAnalysisCustomizations
 import semmle.code.cpp.controlflow.Guards
-import semmle.code.cpp.dataflow.TaintTracking
+private import semmle.code.cpp.dataflow.TaintTracking
 import semmle.code.cpp.valuenumbering.GlobalValueNumbering
 import codingstandards.cpp.Expr
 import codingstandards.cpp.UndefinedBehavior
diff --git a/cpp/common/src/codingstandards/cpp/ReadErrorsAndEOF.qll b/cpp/common/src/codingstandards/cpp/ReadErrorsAndEOF.qll
index c3c433d20d..94e7f89796 100644
--- a/cpp/common/src/codingstandards/cpp/ReadErrorsAndEOF.qll
+++ b/cpp/common/src/codingstandards/cpp/ReadErrorsAndEOF.qll
@@ -1,5 +1,5 @@
 import cpp
-import semmle.code.cpp.dataflow.DataFlow
+private import semmle.code.cpp.dataflow.DataFlow
 import codingstandards.cpp.standardlibrary.FileAccess
 
 /**
diff --git a/cpp/common/src/codingstandards/cpp/SideEffect.qll b/cpp/common/src/codingstandards/cpp/SideEffect.qll
index d83647ce76..883004e513 100644
--- a/cpp/common/src/codingstandards/cpp/SideEffect.qll
+++ b/cpp/common/src/codingstandards/cpp/SideEffect.qll
@@ -1,7 +1,7 @@
 /** A module to reason about side effects. */
 
 import cpp
-import semmle.code.cpp.dataflow.DataFlow
+private import semmle.code.cpp.dataflow.DataFlow
 private import exceptions.ExceptionFlow
 private import codingstandards.cpp.Expr
 private import codingstandards.cpp.Variable
diff --git a/cpp/common/src/codingstandards/cpp/SmartPointers.qll b/cpp/common/src/codingstandards/cpp/SmartPointers.qll
index 0f01d886be..a643b0bc2b 100644
--- a/cpp/common/src/codingstandards/cpp/SmartPointers.qll
+++ b/cpp/common/src/codingstandards/cpp/SmartPointers.qll
@@ -1,5 +1,5 @@
 import cpp
-import semmle.code.cpp.dataflow.DataFlow
+private import semmle.code.cpp.dataflow.DataFlow
 
 // Local cached version of localExprFlow to avoid bad magic
 cached
diff --git a/cpp/common/src/codingstandards/cpp/concurrency/LockingOperation.qll b/cpp/common/src/codingstandards/cpp/concurrency/LockingOperation.qll
index 95404b114a..0aab11a269 100644
--- a/cpp/common/src/codingstandards/cpp/concurrency/LockingOperation.qll
+++ b/cpp/common/src/codingstandards/cpp/concurrency/LockingOperation.qll
@@ -1,5 +1,5 @@
 import cpp
-import semmle.code.cpp.dataflow.TaintTracking
+private import semmle.code.cpp.dataflow.TaintTracking
 
 abstract class LockingOperation extends FunctionCall {
   /**
diff --git a/cpp/common/src/codingstandards/cpp/rules/invalidatedenvstringpointerswarn/InvalidatedEnvStringPointersWarn.qll b/cpp/common/src/codingstandards/cpp/rules/invalidatedenvstringpointerswarn/InvalidatedEnvStringPointersWarn.qll
index 8bc1b0c920..759bc08deb 100644
--- a/cpp/common/src/codingstandards/cpp/rules/invalidatedenvstringpointerswarn/InvalidatedEnvStringPointersWarn.qll
+++ b/cpp/common/src/codingstandards/cpp/rules/invalidatedenvstringpointerswarn/InvalidatedEnvStringPointersWarn.qll
@@ -6,7 +6,6 @@
 import cpp
 import codingstandards.cpp.Customizations
 import codingstandards.cpp.Exclusions
-import semmle.code.cpp.dataflow.DataFlow
 import codingstandards.cpp.rules.invalidatedenvstringpointers.InvalidatedEnvStringPointers as EnvString
 
 abstract class InvalidatedEnvStringPointersWarnSharedQuery extends Query { }
diff --git a/cpp/common/src/codingstandards/cpp/rules/predicatefunctionobjectsshouldnotbemutable/PredicateFunctionObjectsShouldNotBeMutable.qll b/cpp/common/src/codingstandards/cpp/rules/predicatefunctionobjectsshouldnotbemutable/PredicateFunctionObjectsShouldNotBeMutable.qll
index bf47c1f649..ba2f6ed82a 100644
--- a/cpp/common/src/codingstandards/cpp/rules/predicatefunctionobjectsshouldnotbemutable/PredicateFunctionObjectsShouldNotBeMutable.qll
+++ b/cpp/common/src/codingstandards/cpp/rules/predicatefunctionobjectsshouldnotbemutable/PredicateFunctionObjectsShouldNotBeMutable.qll
@@ -9,6 +9,7 @@ import codingstandards.cpp.Customizations
 import codingstandards.cpp.Exclusions
 import codingstandards.cpp.SideEffect
 import codingstandards.cpp.sideeffect.DefaultEffects
+import semmle.code.cpp.dataflow.DataFlow
 
 abstract class PredicateFunctionObjectsShouldNotBeMutableSharedQuery extends Query { }
 
diff --git a/cpp/common/src/codingstandards/cpp/standardlibrary/FileStreams.qll b/cpp/common/src/codingstandards/cpp/standardlibrary/FileStreams.qll
index 709e80dc1a..99eec1f5e0 100644
--- a/cpp/common/src/codingstandards/cpp/standardlibrary/FileStreams.qll
+++ b/cpp/common/src/codingstandards/cpp/standardlibrary/FileStreams.qll
@@ -10,8 +10,8 @@
  */
 
 import cpp
-import semmle.code.cpp.dataflow.DataFlow
-import semmle.code.cpp.dataflow.TaintTracking
+private import semmle.code.cpp.dataflow.DataFlow
+private import semmle.code.cpp.dataflow.TaintTracking
 private import codingstandards.cpp.Operator
 
 /**