diff --git a/src/modules/LR11x0/LR11x0.h b/src/modules/LR11x0/LR11x0.h
index 0fdabec0..e7affc82 100644
--- a/src/modules/LR11x0/LR11x0.h
+++ b/src/modules/LR11x0/LR11x0.h
@@ -656,7 +656,7 @@ class LR11x0: public PhysicalLayer {
       \brief Default constructor.
       \param mod Instance of Module that will be used to communicate with the radio.
     */
-    LR11x0(Module* mod); // cppcheck-suppress noExplicitConstructor
+    explicit LR11x0(Module* mod);
 
     /*!
       \brief Whether the module has an XTAL (true) or TCXO (false). Defaults to false.
diff --git a/src/modules/SX126x/SX126x.h b/src/modules/SX126x/SX126x.h
index 2adcd192..8cc3540b 100644
--- a/src/modules/SX126x/SX126x.h
+++ b/src/modules/SX126x/SX126x.h
@@ -452,7 +452,7 @@ class SX126x: public PhysicalLayer {
       \brief Default constructor.
       \param mod Instance of Module that will be used to communicate with the radio.
     */
-    SX126x(Module* mod); // cppcheck-suppress noExplicitConstructor
+    explicit SX126x(Module* mod);
 
     /*!
       \brief Whether the module has an XTAL (true) or TCXO (false). Defaults to false.
@@ -972,7 +972,7 @@ class SX126x: public PhysicalLayer {
       \param irqMask Mask indicating which IRQ triggers a DIO
       \returns \ref status_codes
     */
-    int16_t irqRxDoneRxTimeout(uint32_t &irqFlags, uint32_t &irqMask);
+    int16_t irqRxDoneRxTimeout(uint32_t &irqFlags, uint32_t &irqMask) override;
 
     /*!
       \brief Check whether the IRQ bit for RxTimeout is set
diff --git a/src/modules/SX127x/SX127x.h b/src/modules/SX127x/SX127x.h
index 4b692667..a9711d81 100644
--- a/src/modules/SX127x/SX127x.h
+++ b/src/modules/SX127x/SX127x.h
@@ -594,7 +594,7 @@ class SX127x: public PhysicalLayer {
       \brief Default constructor. Called internally when creating new LoRa instance.
       \param mod Instance of Module that will be used to communicate with the %LoRa chip.
     */
-    SX127x(Module* mod); // cppcheck-suppress noExplicitConstructor
+    explicit SX127x(Module* mod);
 
     // basic methods
 
diff --git a/src/modules/SX128x/SX128x.h b/src/modules/SX128x/SX128x.h
index 32044a68..fd8e2e03 100644
--- a/src/modules/SX128x/SX128x.h
+++ b/src/modules/SX128x/SX128x.h
@@ -359,7 +359,7 @@ class SX128x: public PhysicalLayer {
       \brief Default constructor.
       \param mod Instance of Module that will be used to communicate with the radio.
     */
-    SX128x(Module* mod); // cppcheck-suppress noExplicitConstructor
+    explicit SX128x(Module* mod);
 
     // basic methods