diff --git a/cpp/ql/src/semmle/code/cpp/ir/implementation/aliased_ssa/Instruction.qll b/cpp/ql/src/semmle/code/cpp/ir/implementation/aliased_ssa/Instruction.qll
index 5ef9db3b960..9d30889a76a 100644
--- a/cpp/ql/src/semmle/code/cpp/ir/implementation/aliased_ssa/Instruction.qll
+++ b/cpp/ql/src/semmle/code/cpp/ir/implementation/aliased_ssa/Instruction.qll
@@ -42,7 +42,7 @@ class Instruction extends Construction::TInstruction {
     result = getResultString() + " = " + getOperationString() + " " + getOperandsString()
   }
 
-  predicate shouldGenerateDumpStrings() {
+  private predicate shouldGenerateDumpStrings() {
     exists(IRConfiguration::IRConfiguration config |
       config.shouldEvaluateDebugStringsForFunction(this.getEnclosingFunction())
     )
diff --git a/cpp/ql/src/semmle/code/cpp/ir/implementation/raw/Instruction.qll b/cpp/ql/src/semmle/code/cpp/ir/implementation/raw/Instruction.qll
index 5ef9db3b960..9d30889a76a 100644
--- a/cpp/ql/src/semmle/code/cpp/ir/implementation/raw/Instruction.qll
+++ b/cpp/ql/src/semmle/code/cpp/ir/implementation/raw/Instruction.qll
@@ -42,7 +42,7 @@ class Instruction extends Construction::TInstruction {
     result = getResultString() + " = " + getOperationString() + " " + getOperandsString()
   }
 
-  predicate shouldGenerateDumpStrings() {
+  private predicate shouldGenerateDumpStrings() {
     exists(IRConfiguration::IRConfiguration config |
       config.shouldEvaluateDebugStringsForFunction(this.getEnclosingFunction())
     )
diff --git a/cpp/ql/src/semmle/code/cpp/ir/implementation/unaliased_ssa/Instruction.qll b/cpp/ql/src/semmle/code/cpp/ir/implementation/unaliased_ssa/Instruction.qll
index 5ef9db3b960..9d30889a76a 100644
--- a/cpp/ql/src/semmle/code/cpp/ir/implementation/unaliased_ssa/Instruction.qll
+++ b/cpp/ql/src/semmle/code/cpp/ir/implementation/unaliased_ssa/Instruction.qll
@@ -42,7 +42,7 @@ class Instruction extends Construction::TInstruction {
     result = getResultString() + " = " + getOperationString() + " " + getOperandsString()
   }
 
-  predicate shouldGenerateDumpStrings() {
+  private predicate shouldGenerateDumpStrings() {
     exists(IRConfiguration::IRConfiguration config |
       config.shouldEvaluateDebugStringsForFunction(this.getEnclosingFunction())
     )
diff --git a/csharp/ql/src/semmle/code/csharp/ir/implementation/raw/Instruction.qll b/csharp/ql/src/semmle/code/csharp/ir/implementation/raw/Instruction.qll
index 5ef9db3b960..9d30889a76a 100644
--- a/csharp/ql/src/semmle/code/csharp/ir/implementation/raw/Instruction.qll
+++ b/csharp/ql/src/semmle/code/csharp/ir/implementation/raw/Instruction.qll
@@ -42,7 +42,7 @@ class Instruction extends Construction::TInstruction {
     result = getResultString() + " = " + getOperationString() + " " + getOperandsString()
   }
 
-  predicate shouldGenerateDumpStrings() {
+  private predicate shouldGenerateDumpStrings() {
     exists(IRConfiguration::IRConfiguration config |
       config.shouldEvaluateDebugStringsForFunction(this.getEnclosingFunction())
     )
diff --git a/csharp/ql/src/semmle/code/csharp/ir/implementation/unaliased_ssa/Instruction.qll b/csharp/ql/src/semmle/code/csharp/ir/implementation/unaliased_ssa/Instruction.qll
index 5ef9db3b960..9d30889a76a 100644
--- a/csharp/ql/src/semmle/code/csharp/ir/implementation/unaliased_ssa/Instruction.qll
+++ b/csharp/ql/src/semmle/code/csharp/ir/implementation/unaliased_ssa/Instruction.qll
@@ -42,7 +42,7 @@ class Instruction extends Construction::TInstruction {
     result = getResultString() + " = " + getOperationString() + " " + getOperandsString()
   }
 
-  predicate shouldGenerateDumpStrings() {
+  private predicate shouldGenerateDumpStrings() {
     exists(IRConfiguration::IRConfiguration config |
       config.shouldEvaluateDebugStringsForFunction(this.getEnclosingFunction())
     )